clean-up of check_fibers - untested
clean-up of check_fibers - untested


Former-commit-id: f48c9a3aa2336ef66d7aac9a8d00a31c9cafbb37 [formerly 6bee737e88c51141544ef9012240484a398d055d] [formerly 09655552f535de32e94fdd3a42870373f2ad3e9b [formerly 388725e062f8aa05f8a2d45dea8f37e64394c500]]
Former-commit-id: d54a369c42741e23fd5e9b39b1525f4568955608
Former-commit-id: 055d04a2c5fd04269db90c55590df0726325cf41
neurodata/ndgrutedb,neurodata/ndgrutedb,openconnectome/m2g,neurodata/ndgrutedb,openconnectome/m2g,openconnectome/m2g,openconnectome/m2g,openconnectome/m2g,openconnectome/m2g,neurodata/ndgrutedb,neurodata/ndgrutedb,neurodata/ndgrutedb,openconnectome/m2g,neurodata/ndgrutedb,neurodata/ndgrutedb,neurodata/ndmg,openconnectome/m2g